Base | Representation |
---|---|
bin | 11010111100000011… |
… | …100000001101011111 |
3 | 2202122211012001102010 |
4 | 122330003200031133 |
5 | 433214224320001 |
6 | 21142103402303 |
7 | 2042533033644 |
oct | 327403401537 |
9 | 82584161363 |
10 | 28924838751 |
11 | 112a3354516 |
12 | 5732a53393 |
13 | 295c700103 |
14 | 1585733dcb |
15 | b4454c8d6 |
hex | 6bc0e035f |
28924838751 has 16 divisors (see below), whose sum is σ = 40838515200. Its totient is φ = 18147385728.
The previous prime is 28924838729. The next prime is 28924838753. The reversal of 28924838751 is 15783842982.
It is not a de Polignac number, because 28924838751 - 26 = 28924838687 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28924838691 and 28924838700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28924838753) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079130 + ... + 1105608.
It is an arithmetic number, because the mean of its divisors is an integer number (2552407200).
Almost surely, 228924838751 is an apocalyptic number.
28924838751 is a deficient number, since it is larger than the sum of its proper divisors (11913676449).
28924838751 is a wasteful number, since it uses less digits than its factorization.
28924838751 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47918.
The product of its digits is 7741440, while the sum is 57.
The spelling of 28924838751 in words is "twenty-eight billion, nine hundred twenty-four million, eight hundred thirty-eight thousand, seven hundred fifty-one".
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